PKGBUILDs/alarm/cpufrequtils/cpufreq.rcd
2015-12-06 17:46:47 +00:00

60 lines
1.2 KiB
Bash

#!/bin/bash
. /etc/rc.conf
. /etc/rc.d/functions
# source application-specific settings
[ -f /etc/conf.d/cpufreq ] && . /etc/conf.d/cpufreq
case "$1" in
start)
stat_busy "Setting cpufreq governing rules"
params=""
if [ -n "$governor" ]; then
mod="cpufreq_$governor"
params="-g $governor"
grep -qw "$governor" /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_governors || modprobe -q $mod
if [ $? -eq 0 ]; then
if [ "$min_freq" != "" ]; then
params="$params -d $min_freq"
fi
if [ "$max_freq" != "" ]; then
params="$params -u $max_freq"
fi
else
stat_busy " Cannot load governor module '$governor'"
stat_fail
exit
fi
fi
if [ "$params" != "" ]; then
CPUS=$(sed -ne 's/^processor.* \([0-9]\+\)$/\1/p' /proc/cpuinfo)
stat_append ", cpu"
for cpu in $CPUS; do
stat_append " $cpu"
cpufreq-set -c $cpu $params
if [ "$freq" != "" ]; then
cpufreq-set -c $cpu -f $freq
fi
done
stat_done
else
stat_busy " Invalid configuration in /etc/conf.d/cpufreq"
stat_fail
fi
;;
stop)
# nothing to do
;;
restart)
$0 start
;;
set)
# TODO: make callable... "cpufreq set 800MHz"
;;
*)
echo "usage: $0 {start|stop|restart}"
esac
exit 0